
PROSPECTUS OF COMMUNITY WEST BANCSHARES JOINTPROXY STATEMENT OF COMMUNITY WEST BANCSHARES ANDUNITED SECURITY BANCSHARES Merger Proposal – Your Vote Is ImportantDEAR COMMUNITY WEST BANCSHARES AND UNITED SECURITY BANCSHARES SHAREHOLDERS: The boards of directors of Community West Bancshares (“CWB”) and United Security Bancshares (“USB”) have each unanimously approved a transaction that will resultin the merger of USB with and into CWB (the “merger”). CWB will be the surviving bank holding company in the merger. If the merger is consummated, each issued andoutstanding share of USB common stock (other than any shares owned by CWB or USB and other than shares held in any USB benefit plan or related trust accounts orotherwise held in a fiduciary or agency capacity or as a result of debts previously contracted) (together, “USB common stock”) will be converted into the right to receive0.4520 shares (the “exchange ratio”) of CWB common stock, with cash paid in lieu of fractional shares. A copy of the merger agreement is attached asAppendixA to theaccompanying joint proxy statement/prospectus and is incorporated by reference herein. After the merger is consummated, based on the number of issued and outstandingshares of CWB common stock and shares of USB common stock on September 30, 2025, we expect that current CWB shareholders will own approximately 70.6%, andcurrent USB shareholders will own approximately 29.4%, of the outstanding shares of common stock of the combined company. CWB common stock currently trades on the Nasdaq Capital Market (“Nasdaq”) under the symbol “CWBC.” Based on the closing price of CWB common stock reportedon Nasdaq of $24.06 as of December 16, 2025, the trading day immediately preceding the public announcement of the merger, the implied merger consideration that aUSB shareholder would be entitled to receive for each share of CWB capital stock owned would be $10.88, with an aggregate transaction value of approximately $191.9million. Based on the closing price of CWB common stock reported on Nasdaq of $24.28 as of February 18, 2026, the latest practicable date before the date of theaccompanying joint proxy statement/prospectus, the implied merger consideration that a USB shareholder would be entitled to receive for each share of USB commonstock owned would be $10.97, with an aggregate transaction value of approximately $193.3 million. We urge you to obtain current market quotations of CWB commonstock. We cannot consummate the merger unless we obtain the necessary regulatory approvals, the shareholders of USB approve the merger agreement and the transactionscontemplated therein, and the shareholders of CWB approve the merger agreement and the transactions contemplated therein, including the issuance of CWB commonstock pursuant to the merger agreement. Whether or not you plan to attend the applicable special meeting, please take the time to vote by following the voting instructionsincluded in the enclosed proxy card. Submitting a proxy now will not prevent you from being able to vote in person during the special meeting. If you do not vote yourshares as instructed in the enclosed proxy card, or if you do not instruct your broker how to vote any shares held for you in “street name,” the effect will be a vote“against” the merger agreement and the transactions contemplated therein.Your vote is important, regardless of the number of shares that you own. March 30, 20263:00 pm PT7100 North Financial Drive, Suite 101,Fresno, CA 93720 Date: Time: Place: The accompanying joint proxy statement/prospectus contains a more complete description of the special meetings of CWB and USB shareholders and the terms of themerger. We urge you to review this entire document carefully. You may also obtain information about CWB and USB from documents that CWB and USB have filed withthe Securities and Exchange Commission (the “SEC”).CWB’s board of directors recommends that CWB shareholders vote “FOR”the proposal to approve the merger agreement and the transactions contemplated therein, including the issuance of CWB common stock pursuant to the merger agreement, and “FOR” theother matters to be considered at the CWB special meeting. USB’s board of directors recommends that USB’s shareholders vote“FOR”the proposal to approvethe merger agreement and the transactions contemplated therein and “FOR” the other matters to be considered at the USB special meeting. Dennis R. WoodsPresident and Chief Executive OfficerUnited Security Bancshares James J. KimChief Executive OfficerCommunity West Bancshares You should read this entire joint proxy statement/prospectus carefully because it contains important information about the merger.In particular, you should readcarefully the information under the section entitled “Risk Factors” beginning on page18. Neither the SEC nor any state securities regulatory body has approved or disapproved of the securities to be issued under the accompanying joint proxystatement/prospectus or